Retardant fastener types are divided into: 

1 resistant metal zipper 

2, flame-retardant resin zipper

Retardant zipper, nylon 3

 There is also a strong retardant zipper, slider consists of two chains, sprocket has grooves, bumps the bottom, with respect to the sprocket nose snaps into the groove, the utility model is not easy to open and close, chain, high strength, long service life.

 Retardant zipper with two chains, each chain with a single chain tooth row, two rows of interlocking teeth, tooth zipper head clamp side chains, luggage trolley slide, allowing both sides of the sprocket engage or disengage.

 Now more commonly used domestic and international anti-metal zipper, mainly because the ZIP code itself has used in the production of permanent flame retardant fiber, flame-retardant effect of the code itself does not ensure that the impact on washing a long time, in addition to having a permanent metal zipper teeth retardant, good strength, high temperature capabilities, it is now more popular flame retardant metal zipper, nylon zipper! Other resin flame retardants are relatively rare.

Wooshizipper is a professional zipper slider manufacturer, our products enjoy an excellent reputation in the market, if you are interested in our products, please contact us.